CA2335059A1 - Device for securing spinal rods - Google Patents

Device for securing spinal rods Download PDF

Info

Publication number
CA2335059A1
CA2335059A1 CA002335059A CA2335059A CA2335059A1 CA 2335059 A1 CA2335059 A1 CA 2335059A1 CA 002335059 A CA002335059 A CA 002335059A CA 2335059 A CA2335059 A CA 2335059A CA 2335059 A1 CA2335059 A1 CA 2335059A1
Authority
CA
Canada
Prior art keywords
spinal rod
head portion
fastener
axis
spinal rods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002335059A
Other languages
French (fr)
Other versions
CA2335059C (en
Inventor
David Nichols
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Howmedica Osteonics Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2335059A1 publication Critical patent/CA2335059A1/en
Application granted granted Critical
Publication of CA2335059C publication Critical patent/CA2335059C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
    • A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass

Abstract

A device is disclosed for securing a spinal rod to the spine comprising a fastener having a curvate head portion, a securement body having an interior cavity including a first portion having a first axis and configured to accommodate the curvate head portion of the fastener and a second portion having a second axis and configured to accommodate a spinal rod in such a manner so that the spinal rod and the curvate head portion are in contact with one another, and a locking member configured to linearly engage the second portion of the interior cavity of the securement body along the axis thereof in such a manner so as to secure the relative position of the spinal rod and the head portion of the fastener.
CA002335059A 1998-06-17 1999-06-16 Device for securing spinal rods Expired - Fee Related CA2335059C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/098,927 US6090111A (en) 1998-06-17 1998-06-17 Device for securing spinal rods
US09/098,927 1998-06-17
PCT/US1999/013510 WO1999065415A1 (en) 1998-06-17 1999-06-16 Device for securing spinal rods

Publications (2)

Publication Number Publication Date
CA2335059A1 true CA2335059A1 (en) 1999-12-23
CA2335059C CA2335059C (en) 2008-04-22

Family

ID=22271603

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002335059A Expired - Fee Related CA2335059C (en) 1998-06-17 1999-06-16 Device for securing spinal rods

Country Status (7)

Country Link
US (1) US6090111A (en)
EP (1) EP1087711B1 (en)
JP (1) JP4074060B2 (en)
AU (1) AU753598B2 (en)
CA (1) CA2335059C (en)
DE (1) DE69917633T2 (en)
WO (1) WO1999065415A1 (en)

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US6090111A (en) 2000-07-18
CA2335059C (en) 2008-04-22

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